While most of us associate allergies with people , cats can be affected by allergens too. This hypoallergenic formula is unscented, clump and dust free and easy to clean up. Along with its maximum odor control, it has excellent moisture control and absorbs urine in seconds. This product has anti bacterial effects for guaranteed cleanliness. Made of natural biodegradable material, Purrify Cat Litter Crystals is economical, easy to use and long lasting, while also suitable for people with allergies.